Our ignorance can be divided into problems and mysteries. When we face a problem, we may not know its solution, but we have insight, increasing knowledge, and an inkling of what we are looking for. When we face a mystery, however, we can only stare in wonder and bewilderment, not knowing what an explanation would even look like.

It is an astonishing fact about the current era that in the most powerful country in world history, with a high level of education and privilege, one of the two political parties virtually denies the well-established facts about anthropogenic climate change.

There are historical analogs, which are not exact, of course, but are close enough to be worrisome. This is a whiff of early Nazi Germany. [Adolf] Hitler was appealing to groups with similar grievances, and giving them crazy answers, but at least they were answers; these groups weren't getting them anywhere else. It was the Jews and the Bolsheviks [that were the problem].

Selfish-gene theory tells us nothing about the value of interacting through language.

Bradley Manning should be regarded as a hero. He is doing what an honest, decent citizen should be doing: letting your population know what the government, the people who rule you are doing. They want to keep it secret of course.

Students typically are at a period of their lives when they're more free than at any other time. They're out of parental control. They're not yet burdened by the needs of trying to put food on the table in a pretty repressive environment, often, and they're free to explore, to create, to invent, to act, and to organize. Over and over through the years, student activism has been extremely significant in initiating and galvanizing major changes. I don't see any reason for that to change.

By a generative grammar I mean simply a system of rules that in some explicit and well-defined way assigns structural descriptions to sentences. Obviously, every speaker of a language has mastered and internalized a generative grammar that expresses his knowledge of his language. This is not to say that he is aware of the rules of the grammar or even that he can become aware of them, or that his statements about his intuitive knowledge of the language are necessarily accurate.